CVE-2025-66604: yokogawa electric corporation fast/tools
Vulnerability summary
CVE-2025-66604 is a medium (CVSS 5.3) vulnerability in yokogawa electric corporation fast/tools. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 2.8% of scored vulnerabilities.
Timeline
- 09-02-2026PublishedVulnerability first disclosed.
- 09-02-2026Last modifiedVulnerability information updated.
Description
A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. The library version could be displayed on the web page. This information could be exploited by an attacker for other attacks. The affected products and versions are as follows: FAST/TOOLS (Packages: RVSVRN, UNSVRN, HMIWEB, FTEES, HMIMOB) R9.01 to R10.04
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST2.1LowCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS trend
Probability
0.14%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
+0.01 pp
From 0.12% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Yokogawa1 product
- fast\/tools≥ r9.01, ≤ r10.04
Yokogawa electric corporation1 product
- fast/tools≥ R9.01, ≤ R10.04
2 vendors · 2 products
References
1 links- web-material3.yokogawa.com/1/39206/files/YSAR-26-0001-E.pdfVendor Advisory